Another Rotella Formulation Change?

Did Shell change the Rotella T Triple Protection Formulation again?

I had just gotten used to the reduced calcium with the addition of magnesium and now on my latest UOA I see Moly replacing Boron unless I got the wrong oil.

The amount looks about right for an 80/20 mix (1 gallon left in oil cooler + 1 gallon add oil) of the previous Rotella T - TP and the new oil (either formulation change or wrong oil) with 0 Boron and 60 ppm Moly.


34 - Iron

1 - Chromium

0 - Nickel

2 - Aluminum

0 - Copper

2 - Lead

0 - Tin

0 - Cadmium

0 - Silver

0 - Vanadium

3 - Silicon

2 - Sodium

3 - Potassium

0 - Titanium

46 - Molybdenum

0 - Antimony

0 - Manganese

0 - Lithium

12 - Boron

1064 - Magnesium

1088 - Calcium

1 - Barium

1106 - Phosphorous

1360 - Zinc

<1.0 - Fuel Dilution % Vol

0.7 - Soot % Vol

<0.1 - Water % Vol

14.4 - Viscosity 100 °C cSt

5.26 - Base Number mg KOH/g (D4739)

12 - Oxidation abs/cm

19 - Nitration abs/cm

Whatever it is looks like it did a decent job for 22,500 miles (Standard Interval for 14.0L EGR Detroit S60 running ULSD and a PGOS Approved Oil).